警方在酒店房间安装了隐藏摄像头来抓捕窥淫癖者。

The police set up hidden cameras in the hotel room to catch the ___voyeur.

他躲在窗帘后面偷看邻居，完全是个偷窥狂。

He hides behind the curtain watching his neighbors, acting like a total ___voyeur.